Math miscellaneousHard

Question

The value of dx is

Options

A.π2/4
B.π2/2
C.3π2/2
D.π2/3

Solution

I = dx
⇒ I =
⇒ I =
⇒ 2I = π
⇒ I = π
⇒ I = - π = π [tan-1t]10 =

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